(Pottery Dome, PA-43-04) NE of Volant, Springfield Township, Mercer County, PA. PA208 NE (curves E.) 3.8 miles from jct with PA108 on the SE side of Volant to the bldg on the S. side of the road at 2347. (N41 08.372 W80 11.932) Photo by Mark Comstock & Larry Baker 3-25-19.